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CASING HEAD
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Crown Casing Heads CC-22 Casing Head
stre
amflo
.com
CC-
22 C
asin
g H
ead
Technical Data 1-2
LIT_TEC_1014
The Crown CC-22 casing head has a straight bore one-step bowl design with a large chamfer on the top. This head accepts either the Crown CC-22 automatic casing hanger which combines slips, slip bowl and packing into a single unit, or the Crown CC-21 casing hanger and separate floating primary packoff.
If a bowl protector is required, the Crown CC-22-BP design is recommended. It has two lock screws in the top flange to retain the bowl protector. A hold-down flange with lock screws can be furnished for use on CC-22 casing heads.
The CC-22-L has multiple lockdown screws in the top flange to be used for retaining a mandrel hanger or bowl protector.
Main Design and Construction Features
Bottom Connection: The standard bottom connection is a slip-on weld or female casing thread. Other connections available are slip lock or male casing head.
Top Connection: The top conection of a Crown casing head is an API 6A flange. A clamp-hub connection is available.
Side Outlets: The standard casing head has two 2” API line pipe female thread side outlets. Studded, extend-ed flanged or clamp hub outlets are also available. The studded and flanged outlets have valve removal threads. Combinations of outlet types are available.
top flange
outlet
bottom connection
Crown Casing Heads CC-22 Casing Head Technical Data 2-2
stre
amflo
.com
CC-
22 C
asin
g H
ead
Top FlangeSize WP Top Flange
BottomConnection Outlets*
MinimumBore
Max SuspendedCasing Size
ApproximateHeight
11 (279.4) 2000 (13.8 MPa) 85/8“ (219.1) 2” LP (50.8) 8 (203.2) 7 (177.8) 17.4 (442)
11 (279.4) 3000 (20.7 MPa) 85/8“ (219.1) 2” LP (50.8) 8 (203.2) 7 (177.8) 17.1 (434)
11 (279.4) 5000 (34.5 MPa) 85/8“ (219.1) 2” LP (50.8) 8 (203.2) 7 (177.8) 21.6 (549)
11 (279.4) 2000 (13.8 MPa) 95/8 “ (244.5) 2” LP (50.8) 9 (228.6) 75/8“ (193.7) 17.4 (442)
11 (279.4) 3000 (20.7 MPa) 95/8“ (244.5) 2” LP (50.8) 9 (228.6) 75/8“ (193.7) 17.1 (434)
11 (279.4) 5000 (34.5 MPa) 95/8“ (244.5) 2” LP (50.8) 9 (228.6) 75/8“ (193.7) 21.6 (549)
11 (279.4) 2000 (13.8 MPa) 103/4“ (273.0) 2” LP (50.8) 9.9 (254.0) 85/8” (219.1) 17.4 (442)
11 (279.4) 3000 (20.7 MPa) 103/4“ (273.0) 2” LP (50.8) 9.9 (254.0) 85/8” (219.1) 17.1 (434)
11 (279.4) 5000 (34.5 MPa) 103/4“ (273.0) 2” LP (50.8) 9.9 (254.0) 85/8” (219.1) 21.6 (549)
135/8” (346.1) 2000 (13.8 MPa) 113/4” (298.4) 2” LP (50.8) 11 (279.4) 95/8” (244.5) 18.6 (472)
135/8” (346.1) 3000 (20.7 MPa) 113/4“ (298.4) 2” LP (50.8) 11 (279.4) 95/8” (244.5) 18.6 (472)
135/8” (346.1) 2000 (13.8 MPa) 133/8“ (339.7) 2” LP (50.8) 121/2“ (317.5) 95/8” (244.5) 18.6 (472)
135/8” (346.1) 3000 (20.7 MPa) 133/8“ (339.7) 2” LP (50.8) 121/2“ (317.5) 95/8” (244.5) 18.6 (472)
135/8” (346.1) 5000 (34.5 MPa) 133/8“ (339.7) 2” LP (50.8) 121/2“ (317.5) 95/8” (244.5) 21.6 (549)
163/4” (425.5) 2000 (13.8 MPa) 16 (406.4) 2” LP (50.8) 151/4“ (387.4) 103/4” (273.0) 19.1 (485)
163/4” (425.5) 3000 (20.7 MPa) 16 (406.4) 2” LP (50.8) 151/4“ (387.4) 103/4” (273.0) 19.1 (485)
163/4” (425.5) 5000 (34.5 MPa) 16 (406.4) 2” LP (50.8) 151/4“ (387.4) 103/4” (273.0) 18.9 (480)
211/4” (539.8) 2000 (13.8 MPa) 20 (508.0) 2” LP (50.8) 193/16“ (487.4) 133/8“ (339.7) 20.4 (518)
203/4” (527.1) 3000 (20.7 MPa) 20 (508.0) 2” LP (50.8) 193/16“ (487.4) 133/8“ (339.7) 20.4 (518)
When ordering Crown Casing Heads, please specify the following information:
1) Crown model 2) Bottom connection: slip-on weld, female thread or male thread; casing size 3) Top connection: flange or clamp hub; size; working pressure 4) Side outlets: threaded or studded; size 5) Standard or H2S service 6) Equipment to be used off outlets 7) Options required: lockdown screws; landing base 8) PSL requirement 9) API material class 10) API temperature rating
Available to meet all appropriate API-6A requirements.
Dimensional Data
* Also available with flanged or studded side outlets. Millimetres are in brackets.